/*
 * Copyright 2002-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.util.xml;

import org.apache.commons.logging.Log;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

/**
 * Simple {@code org.xml.sax.ErrorHandler} implementation:
 * logs warnings using the given Commons Logging logger instance,
 * and rethrows errors to discontinue the XML transformation.
 *
 * @author Juergen Hoeller
 * @since 1.2
 */
public class SimpleSaxErrorHandler implements ErrorHandler
{

    private final Log logger;


    /**
     * Create a new SimpleSaxErrorHandler for the given
     * Commons Logging logger instance.
     */
    public SimpleSaxErrorHandler(Log logger)
    {
        this.logger = logger;
    }


    @Override
    public void warning(SAXParseException ex) throws SAXException
    {
        logger.warn("Ignored XML validation warning", ex);
    }

    @Override
    public void error(SAXParseException ex) throws SAXException
    {
        throw ex;
    }

    @Override
    public void fatalError(SAXParseException ex) throws SAXException
    {
        throw ex;
    }

}
